Move ICMP files from net/uip to net/icmp

1 files changed, 168 insertions, 0 deletions

diff --git a/nuttx/net/icmp/icmp_send.c b/nuttx/net/icmp/icmp_send.c
new file mode 100644
index 000000000..b46701ed4
--- /dev/null
+++ b/nuttx/net/icmp/icmp_send.c
@@ -0,0 +1,168 @@
+/****************************************************************************
+ * net/icmp/icmp_send.c
+ *
+ *   Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#if defined(CONFIG_NET) && defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING)
+
+#include <debug.h>
+
+#include <nuttx/net/uip/uipopt.h>
+#include <nuttx/net/uip/uip.h>
+#include <nuttx/net/uip/uip-arch.h>
+
+#include "uip/uip_internal.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define ICMPBUF ((struct uip_icmpip_hdr *)&dev->d_buf[UIP_LLH_LEN])
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_icmpsend
+ *
+ * Description:
+ *   Setup to send an ICMP packet
+ *
+ * Parameters:
+ *   dev - The device driver structure to use in the send operation
+ *
+ * Return:
+ *   None
+ *
+ * Assumptions:
+ *   Called from the interrupt level or with interrupts disabled.
+ *
+ ****************************************************************************/
+
+void uip_icmpsend(struct uip_driver_s *dev, uip_ipaddr_t *destaddr)
+{
+  struct uip_icmpip_hdr *picmp = ICMPBUF;
+
+  if (dev->d_sndlen > 0)
+    {
+      /* The total length to send is the size of the application data plus
+       * the IP and ICMP headers (and, eventually, the Ethernet header)
+       */
+
+      dev->d_len = dev->d_sndlen + UIP_IPICMPH_LEN;
+
+      /* The total size of the data (for ICMP checksum calculation) includes
+       * the size of the ICMP header
+       */
+
+      dev->d_sndlen += UIP_ICMPH_LEN;
+
+      /* Initialize the IP header.  Note that for IPv6, the IP length field
+       * does not include the IPv6 IP header length.
+       */
+
+#ifdef CONFIG_NET_IPv6
+
+      picmp->vtc         = 0x60;
+      picmp->tcf         = 0x00;
+      picmp->flow        = 0x00;
+      picmp->len[0]      = (dev->d_sndlen >> 8);
+      picmp->len[1]      = (dev->d_sndlen & 0xff);
+      picmp->nexthdr     = UIP_PROTO_ICMP;
+      picmp->hoplimit    = UIP_TTL;
+
+      uip_ipaddr_copy(picmp->srcipaddr, &dev->d_ipaddr);
+      uip_ipaddr_copy(picmp->destipaddr, destaddr);
+
+#else /* CONFIG_NET_IPv6 */
+
+      picmp->vhl         = 0x45;
+      picmp->tos         = 0;
+      picmp->len[0]      = (dev->d_len >> 8);
+      picmp->len[1]      = (dev->d_len & 0xff);
+      ++g_ipid;
+      picmp->ipid[0]     = g_ipid >> 8;
+      picmp->ipid[1]     = g_ipid & 0xff;
+      picmp->ipoffset[0] = UIP_TCPFLAG_DONTFRAG >> 8;
+      picmp->ipoffset[1] = UIP_TCPFLAG_DONTFRAG & 0xff;
+      picmp->ttl         = UIP_TTL;
+      picmp->proto       = UIP_PROTO_ICMP;
+
+      uiphdr_ipaddr_copy(picmp->srcipaddr, &dev->d_ipaddr);
+      uiphdr_ipaddr_copy(picmp->destipaddr, destaddr);
+
+      /* Calculate IP checksum. */
+
+      picmp->ipchksum    = 0;
+      picmp->ipchksum    = ~(uip_ipchksum(dev));
+
+#endif /* CONFIG_NET_IPv6 */
+
+      /* Calculate the ICMP checksum. */
+
+      picmp->icmpchksum  = 0;
+      picmp->icmpchksum  = ~(uip_icmpchksum(dev, dev->d_sndlen));
+      if (picmp->icmpchksum == 0)
+        {
+          picmp->icmpchksum = 0xffff;
+        }
+
+      nllvdbg("Outgoing ICMP packet length: %d (%d)\n",
+              dev->d_len, (picmp->len[0] << 8) | picmp->len[1]);
+
+#ifdef CONFIG_NET_STATISTICS
+      uip_stat.icmp.sent++;
+      uip_stat.ip.sent++;
+#endif
+    }
+}
+
+#endif /* CONFIG_NET && CONFIG_NET_ICMP && CONFIG_NET_ICMP_PING */